The phrase "again disappointed" is correct and usable in written English.
It can be used when expressing a recurring feeling of disappointment regarding a situation or outcome.
Example: "After the latest announcement from the company, I find myself again disappointed by their lack of transparency."
Alternatives: "disappointed once more" or "disappointed yet again".
Pietersen again disappointed, but not before he had scored a reasonably nifty 29 off 34 balls.
But they were again disappointed, as the government was rocked by corruption scandals and, earlier this year, the Anna Hazare movement's demands for a Lokpal, or government ombudsman.
His Western allies must urge him on because if he fails, and ordinary Ukrainians are once again disappointed, their country could irrevocably fall apart.
This is the year after elections, this means people who wanted to vote a little bit of reform into the system were again disappointed".
He persuaded his Russian friend, Alexei to introduce him and was again disappointed when he found her to be haggard-looking and ill proportioned.
What else could he really do, considering that he had again disappointed his Yankees teammates with a dreadful performance by allowing six runs in the second inning, and nine over all?
When Craig dies, Melody again disappoints Hope.
City, in the hands of the assistant Brian Kidd, secured second place with a win at Reading on Tuesday night, so with Khaldoon al-Mubarak, the chairman, demanding year-on-year improvement will the same finish be deemed enough, especially if City's European campaign again disappoints and not a single trophy is won?
Tax receipts could once again disappoint, putting more pressure on the government's budget.
And it joined the Washington-based InternadvisingMonethey Fund in advising the chancellor that he needed a fall-back position should growth again disappoint in 2013.
If you make video games for a living, you are going to be disappointed again, and again, and again, and again.
